28500880

素因数分解:

$2^4\times 5^1\times {\mathrm{356261}}^1$

素因数の和:356274

約数の個数: 20

約数和(自身を含む): 66264732

約数和(自身を除く): 37763852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 356261, 712522, 1425044, 1781305, 2850088, 3562610, 5700176, 7125220, 14250440, 28500880]

約数ペア:

[(1, 28500880), (2, 14250440), (4, 7125220), (5, 5700176), (8, 3562610), (10, 2850088), (16, 1781305), (20, 1425044), (40, 712522), (80, 356261)]